Optical filter assembly



FIG. 1 is a perspective view of an optical filter assembly showing ournew design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a perspective view of the optical filter assembly of FIG. 1,with the frame portion rotated 180 degrees from its position in FIG. 1.

FIG. 9 is a front elevational view of the optical filter assembly in theposition shown in FIG. 8.

FIG. 10 is a rear elevational view of the optical filter assembly in theposition shown in FIG. 8;

FIG. 11 is a left side elevational view of the optical filter assemblyin the position shown in FIG. 8;

FIG. 12 is a right side elevational view of the optical filter assemblyin the position shown in FIG. 8;

FIG. 13 is a top plan view of the optical filter assembly in theposition shown in FIG. 8; and,

FIG. 14 is a bottom plan view of the optical filter assembly in theposition shown in FIG. 8.

The ornamental design for an optical filter assembly, as shown anddescribed.